XTAR VP2 Selectable Current Li-ion Battery Charger Most advanced 18650 and similar cell charger on the market Updated version of the VP1 - now includes USB output, acts as a power bank when not connected to external power 2 Independent charging channels with 3 stage charging; voltage display; 3 current level selections Low voltage, over-load, reverse-polarity and over-heat protection; power indication, LED status including voltage and battery level 1 Year warranty when purchased from an authorized XTAR dealer